chore(consistency): sync task status from DB [auto]

Updated by fix-consistency on 2026-09-04:
  - update .custodian-brief.md for rein-aharness

Assistant: codex
Assistant-Model: gpt-5.6-sol
Assistant-Session: 01a06ba0-10aa-7ea0-b20a-4f3fac39efe9

tests/test_mail_triage.py

@@ -257,3 +257,31 @@ def test_get_client_requires_env(monkeypatch) -> None:
         from rein_aharness.llm_connect_client import get_llm_connect_client
 
         get_llm_connect_client()
+
+
+def test_llm_connect_cancel_closes_client_and_raises(monkeypatch) -> None:
+    import rein_aharness.llm_connect_client as mod
+    from rein_aharness.execution_cancel import ExecutionCancel, ExecutionCancelled
+
+    closed = []
+    cancel = ExecutionCancel()
+
+    class FakeClient:
+        def __enter__(self):
+            return self
+
+        def __exit__(self, *args):
+            return False
+
+        def close(self):
+            closed.append("closed")
+
+        def post(self, url, json=None):  # noqa: A002
+            cancel.cancel("timeout")
+            raise mod.httpx.ConnectError("connection reset")
+
+    monkeypatch.setattr(mod.httpx, "Client", lambda timeout=None: FakeClient())
+    client = LLMConnectClient("http://llm.test", timeout_seconds=5)
+    with pytest.raises(ExecutionCancelled, match="timeout"):
+        client.complete("hi", cancel=cancel)
+    assert closed == ["closed"]